misc: deprecate VOM

[vpp.git] / extras / vom / vom / singular_db.hpp

diff --git a/extras/vom/vom/singular_db.hpp b/extras/vom/vom/singular_db.hpp
deleted file mode 100644 (file)
index afca9a3..0000000
--- a/extras/vom/vom/singular_db.hpp
+++ /dev/null
@@ -1,148 +0,0 @@
-/*
- * Copyright (c) 2017 Cisco and/or its affiliates.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef __VOM_INST_DB_H__
-#define __VOM_INST_DB_H__
-
-#include <map>
-#include <memory>
-#include <ostream>
-
-#include "vom/logger.hpp"
-
-namespace VOM {
-/**
- * A Database to store the unique 'singular' instances of a single object
- * type.
- * The instances are stored as weak pointers. So the DB does not own these
- * objects, they are owned by object in the client_db.
- */
-template <typename KEY, typename OBJ>
-class singular_db
-{
-public:
-  /**
-   * Constructor
-   */
-  singular_db() {}
-
-  /**
-   * Iterator
-   */
-  typedef
-    typename std::map<KEY, std::weak_ptr<OBJ>>::const_iterator const_iterator;
-
-  /**
-   * Get iterator to the beginning of the DB
-   */
-  const_iterator begin() const { return m_map.cbegin(); }
-
-  /**
-   * Get iterator to the beginning of the DB
-   */
-  const_iterator end() const { return m_map.cend(); }
-
-  /**
-   * Find or add the object to the store.
-   * The object passed is deisred state. A new instance will be copy
-   * constructed from it. This function is templatised on the object type
-   * passed, which may be drrived from, the object type stored. this
-   * prevents slicing during the make_shared construction.
-   */
-  template <typename DERIVED>
-  std::shared_ptr<OBJ> find_or_add(const KEY& key, const DERIVED& obj)
-  {
-    auto search = m_map.find(key);
-
-    if (search == m_map.end()) {
-      std::shared_ptr<OBJ> sp = std::make_shared<DERIVED>(obj);
-
-      m_map[key] = sp;
-
-      VOM_LOG(log_level_t::DEBUG) << *sp;
-      return (sp);
-    }
-
-    return (search->second.lock());
-  }
-
-  /**
-   * Find the object to the store.
-   */
-  std::shared_ptr<OBJ> find(const KEY& key)
-  {
-    auto search = m_map.find(key);
-
-    if (search == m_map.end()) {
-      std::shared_ptr<OBJ> sp(NULL);
-
-      return (sp);
-    }
-
-    return (search->second.lock());
-  }
-
-  /**
-   * Release the object from the DB store, if it's the one we have stored
-   */
-  void release(const KEY& key, const OBJ* obj)
-  {
-    auto search = m_map.find(key);
-
-    if (search != m_map.end()) {
-      if (search->second.expired()) {
-        m_map.erase(key);
-      } else {
-        std::shared_ptr<OBJ> sp = m_map[key].lock();
-
-        if (sp.get() == obj) {
-          m_map.erase(key);
-        }
-      }
-    }
-  }
-
-  /**
-   * Find the object to the store.
-   */
-  void add(const KEY& key, std::shared_ptr<OBJ> sp) { m_map[key] = sp; }
-
-  /**
-   * Populate VPP from current state, on VPP restart
-   */
-  void replay()
-  {
-    for (auto entry : m_map) {
-      entry.second.lock()->replay();
-    }
-  }
-
-private:
-  /**
-   * the map of objects against their key
-   */
-  std::map<const KEY, std::weak_ptr<OBJ>> m_map;
-};
-};
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "mozilla")
- * End:
- */
-
-#endif